Public bug reported:
Since I upgraded the kernel from linux-image-4.8.0-46-generic to linux-
image-extra-4.10.0-14-generic I'm facing an issue when I want to change
the MTU.
It seems to be known bug already fixed:
https://bugzilla.kernel.org/show_bug.cgi?id=194763
# ip l sh eno49
2: eno49:
@Joseph, nop. :/
In the Bugzilla it seems tagged for 4.10.1 release.
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https://bugs.launchpad.net/bugs/1679823
Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with
Do you have an update about this bug ?
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https://bugs.launchpad.net/bugs/1687779
Title:
Ubuntu 16.04.2: kdump is not working in 4.8.0-46 kernel
Status in linux package in
@Joseph, I don't know, we are just using the Ubuntu LTS versions.
You point is valid, maybe it's better to check if Zesty has this issue.
Thanks for the follow up!
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It affects Neutron, qr-* and ha-* interfaces can be set with a MTU higher than
1500.
Look the output in #13 comment.
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Title:
@Joseph, 4.10.0-20-generic works for me.
Thanks !
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Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.10 (or
Still having and issue, for the physical interface it's working as
expected but for virtual interfaces I got the same error.
I'm trying to change MTU on an OpenVswitch interface in a kernel
namespace. If I switch back to 4.8.0-46 everything is OK.
Apr 25 19:44:11 controller003 kernel: [
@Joseph, I tried with 4.10.0-20-generic
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Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.10 (or
4.8.0-49)
I had a kernel upgrade 4.8.0-46 to 4.8.0.49 and I had the same issue.
# ip l set eno49 mtu 9000
RTNETLINK answers: Invalid argument
# tail -1 /var/log/kern.log
Apr 25 14:10:20 controller001 kernel: [64170.180920] eno49: Invalid MTU 9000
requested, hw max 68
# dpkg -l | grep linux-image-4.8
ii
@Louis, thanks.
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Title:
Ubuntu 16.04.2: kdump is not working in 4.8.0-46 kernel
Status in linux package in Ubuntu:
Confirmed
I'm able to boot this OS with this kernel I got a kernel panic.
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Title:
Ubuntu 16.04.2: kdump is not working in 4.8.0-46 kernel
@Thiago, same for us. Hope it will be fixed soon !
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Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.10 (or
Same issue.
** Attachment added: "kdump-trace2.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1687779/+attachment/4899716/+files/kdump-trace2.txt
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Sorry for the late answer.
Please find the log in attachment.
** Attachment added: "kdump-trace.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1687779/+attachment/4893178/+files/kdump-trace.txt
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Public bug reported:
I'm not able to take a crashdump on Ubuntu Xenial 16.04.2 in 4.8.0-46
kernel.
kdump-tools 1:1.5.9-5ubuntu0.4
makedumpfile1:1.5.9-5ubuntu0.4
linux-image-4.8.0-46-generic4.8.0-46.49~16.04.1
# kdump-config show
** Description changed:
- I'm not able to take a crashdump on Ubuntu Xenial 16.04.2 in 4.8.0-46
- kernel.
+ I'm not able to take a crashdump on Ubuntu Xenial 16.04.2 in 4.8.0-46 kernel.
+ This issue seems to be fixed mainstream: https://lkml.org/lkml/2017/1/9/77
+
kdump-tools
@Thiago, yes I confirm.
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Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.10 (or
4.8.0-49, xenial-hwe)
Status
Downgraded to 4.4 series. :(
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Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.10 (or
4.8.0-49, xenial-hwe)
Success.
#38 works with ixgbe
@Jesse thanks and good job !
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Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.10
Hi Jesse,
Same behavior for me as @Henning.
Kernel:
ii linux-image-4.8.0-52-generic4.8.0-52.55~16.04.1
Error:
kernel: [ 53.900687] ha-4fbfe106-23: Invalid MTU 8950 requested, hw max 1500
ixgbe NIC driver.
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@michal did you try this kernel:
https://people.canonical.com/~jesse/lp1679823v2/ ?
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Title:
bond0: Invalid MTU 9000 requested, hw
I'm even not able to boot the operating system with the kernel in
comment #6.
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Title:
Ubuntu 16.04.2: kdump is not working in
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